Finding the Fourth Proportional to 703,424.18, 970,946.09 and 448,775.17
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Solution
The fourth proportional to 703,424.18, 970,946.09 and 448,775.17 is: 619,450.55
Step by Step Solution
- Step 1: Write the proportion equation
703,424.18 : 970,946.09 = 448,775.17 : x - Step 2: Convert to fraction form
703,424.18/970,946.09 = 448,775.17/x - Step 3: Cross multiply
703,424.18x = 970,946.09 × 448,775.17 - Step 4: Simplify right side
703,424.18x = 435,736,493,612.25 - Step 5: Solve for x
x = 435,736,493,612.25/703,424.18 - Step 6: Final answer
x = 619,450.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.